TY - RPRT TI - OBSERVATION OF THE ELEVATOR ILLUSION DURING SUBGRAVITY PRECEDED BY NEGATIVE ACCELERATIONS. REP SAM-TDR-62-141 AND PROJ MR005. 13-6001, SUBTASK 1, REP 83. AU - J A ROMAN AU - B H WARREN AU - A GRAYBIEL PY - 1963 UR - https://pubmed.ncbi.nlm.nih.gov/14168024/ ID - 14168024 ER -